FREE open source Algo Trader HFT high frequency quant trading platform contains Java, Esper, AndroMDA, Hibernate, Spring, SOA, MYSQL
These are the components that are part of this appear to decent project.
See what I plan to do with this here. for HFT needsNOTE I now post my TRADING ALERTS into my personal FACEBOOK ACCOUNT and TWITTER. Don't worry as I don't post stupid cat videos or what I eat!